89793domain: NAppears in sequencesa(n) = n*(5*n^2 - 3)/2.at n=33A063522a(0) = 3; for n > 0, break up decimal expansion of Pi into chunks of increasing lengths; leading zeros are not printed.at n=5A136517Run length decoding of Pi.at n=2A153358A bisection of A063522.at n=16A160674